On Wed, 2023-09-20 at 13:30 +0200, Greg Kroah-Hartman wrote:
> 4.19-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>
> commit 86495af1171e1feec79faa9b64c05c89f46e41d1 upstream.
>
> In commit 9011e49d54dc ("modules: only allow symbol_get of
> EXPORT_SYMBOL_GPL modules") the use of symbol_get is properly restricted
> to GPL-only marked symbols. This interacts oddly with the DVB logic
> which only uses dvb_attach() to load the dvb driver which then uses
> symbol_get().
>
> Fix this up by properly marking all of the dvb_attach attach symbols as
> EXPORT_SYMBOL_GPL().
[...]
This (and other) backports missed a couple of affected exports:
- sp8870_attach in drivers/media/dvb-frontends/sp8870.c
(renamed to drivers/staging/media/av7110/sp8870.c upstream)
- xc2028_attach in drivers/media/tuners/tuner-xc2028.c
(renamed to drivers/media/tuners/xc2028.c upstream)
Ben.
--
Ben Hutchings
The obvious mathematical breakthrough [to break modern encryption]
would be development of an easy way to factor large prime numbers.
- Bill Gates
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